Partridge Productions ; written by Phil Agland ; produced by Phil Agland, Michael Rosenberg ; directed by David Heeley ; a presentation of WNET/Thirteen in association with the Nature Conservancy
a Midnight Films production for American experience ; WGBH Educational Foundation and WNET/Thirteen ; produced and directed by Paul Stekler ; written by James Welch and Paul Stekler
[presented by] Ken Burns ; a film by Stephen Ives ; producers, Stephen Ives, Jody Abramson and Michael Kantor ; writers, Geoffrey C. Ward and Dayton Duncan ; a production of Insignia Films and WETA, Washington, D.C. in association with Florentine Films and Time Life Video
a Florentine Films production ; a film by Ken Burns ; produced by Ken Burns, Morgan Wesson, Tom Lewis ; written by Geoffrey C. Ward ; produced in association with WETA-TV, Washington